what is the rms value of an alternating current which when passed Question The r m s value of an alternating current which when passed through a resistor produces heat which is twice of that produced by a direct current of 2 amperes in the same resistor is A 6A B 4A C 2 82A D 0 66A Solution The
RMS Value of Alternating Current RMS stands for Root Mean Square of instantaneous current values The RMS value of alternating current is given by direct current which flows through a resistance The RMS value of AC is greater than the average value The r m s value of an alternating current is defined as The value of a constant current that produces the same power in a resistor as the alternating current The r m s current I r m s is defined by the equation So r m s current is equal to 0 707 I 0 which is about 70 of the peak current I 0
what is the rms value of an alternating current which when passed
what is the rms value of an alternating current which when passed
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What Is The R m s Value Of An AC Which When Passed Through A Resistor
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What Is The R m s Value Of An Alternating Current Which When Passed
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The RMS Value of an Alternating Current is that when it compare to the Direct Current then both AC and DC current produce the same amount of heat when flowing through the same circuit for a specif time period It rms is responsible for heating a device or a wire when alternating current is passed through it Therefore when passing alternating current through a resistor R for time t we may write H I rms 2 Rt
RMS or root mean square current voltage of the alternating current voltage represents the d c current voltage that dissipates the same amount of power as the average power dissipated by the alternating current voltage Root mean square or RMS is the equivalent output value of a sine wave like an AC waveform Since AC alternates polarities but power output does not expressing AC as a DC equivalent is very important
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The RMS voltage is also known as the equivalent DC voltage because the RMS value gives the amount of AC power drawn by a resistor similar to the power drawn by a DC source Consider a 5 load connected to a 10V DC source here the voltage remains constant simplifying power calculation to 20W Monitoring and measuring a c Root mean square r m s voltages and currents a c is current which changes direction and instantaneous value with time Peak or r m s values can be
Definition The RMS value of an alternating current AC is equal to the value of a steady current DC Current that produces the same amount of heat as the alternating current when passed through a resistor for the same amount of time Having now determined the RMS value of an alternating voltage or current waveform in the next tutorial we will look at calculating the Average value V AVG of an alternating voltage and finally compare the two
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what is the rms value of an alternating current which when passed - In other words as an example the RMS value of AC current is the direct current which when passed through a resistor for a given period of time would produce the same heat as that produced by alternating current when passed through the same resistor for the same time